diff options
Diffstat (limited to 'sys/kern/sys_process.c')
| -rw-r--r-- | sys/kern/sys_process.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 55554087a5a..e60ff8b7ef7 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sys_process.c,v 1.36 2006/07/19 18:38:42 grunk Exp $ */ +/* $OpenBSD: sys_process.c,v 1.37 2006/11/29 12:24:18 miod Exp $ */ /* $NetBSD: sys_process.c,v 1.55 1996/05/15 06:17:47 tls Exp $ */ /*- @@ -322,7 +322,6 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) if (SCARG(uap, data) < 0 || SCARG(uap, data) >= NSIG) return (EINVAL); - PHOLD(t); /* If the address parameter is not (int *)1, set the pc. */ if ((int *)SCARG(uap, addr) != (int *)1) if ((error = process_set_pc(t, SCARG(uap, addr))) != 0) @@ -336,7 +335,6 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) if (error) goto relebad; #endif - PRELE(t); goto sendsig; case PT_DETACH: @@ -356,7 +354,6 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) if (SCARG(uap, data) < 0 || SCARG(uap, data) >= NSIG) return (EINVAL); - PHOLD(t); #ifdef PT_STEP /* * Arrange for a single-step, if that's requested and possible. @@ -365,7 +362,6 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) if (error) goto relebad; #endif - PRELE(t); /* give process back to original parent or init */ if (t->p_oppid != t->p_pptr->p_pid) { @@ -395,7 +391,6 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) return (0); relebad: - PRELE(t); return (error); case PT_KILL: @@ -451,9 +446,7 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) regs = malloc(sizeof(*regs), M_TEMP, M_WAITOK); error = copyin(SCARG(uap, addr), regs, sizeof(*regs)); if (error == 0) { - PHOLD(p); error = process_write_regs(t, regs); - PRELE(p); } free(regs, M_TEMP); return (error); @@ -463,9 +456,7 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) return (error); regs = malloc(sizeof(*regs), M_TEMP, M_WAITOK); - PHOLD(p); error = process_read_regs(t, regs); - PRELE(p); if (error == 0) error = copyout(regs, SCARG(uap, addr), sizeof (*regs)); @@ -480,9 +471,7 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) fpregs = malloc(sizeof(*fpregs), M_TEMP, M_WAITOK); error = copyin(SCARG(uap, addr), fpregs, sizeof(*fpregs)); if (error == 0) { - PHOLD(p); error = process_write_fpregs(t, fpregs); - PRELE(p); } free(fpregs, M_TEMP); return (error); @@ -494,9 +483,7 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) return (error); fpregs = malloc(sizeof(*fpregs), M_TEMP, M_WAITOK); - PHOLD(p); error = process_read_fpregs(t, fpregs); - PRELE(p); if (error == 0) error = copyout(fpregs, SCARG(uap, addr), sizeof(*fpregs)); @@ -512,9 +499,7 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) xmmregs = malloc(sizeof(*xmmregs), M_TEMP, M_WAITOK); error = copyin(SCARG(uap, addr), xmmregs, sizeof(*xmmregs)); if (error == 0) { - PHOLD(p); error = process_write_xmmregs(t, xmmregs); - PRELE(p); } free(xmmregs, M_TEMP); return (error); @@ -526,9 +511,7 @@ sys_ptrace(struct proc *p, void *v, register_t *retval) return (error); xmmregs = malloc(sizeof(*xmmregs), M_TEMP, M_WAITOK); - PHOLD(p); error = process_read_xmmregs(t, xmmregs); - PRELE(p); if (error == 0) error = copyout(xmmregs, SCARG(uap, addr), sizeof(*xmmregs)); |